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A243934
as a simple table
n
a(n)
1
0
2
2
3
4
4
14
5
22
6
26
7
36
8
216
9
354
10
874
11
1018
12
2798
13
6116
14
6574
15
6922
16
8090
17
8398
18
12866
19
20816
20
54810
[0,2,4,14,22,26,36,216,354,874,1018,2798,6116, 6574,6922,8090,8398,12866,20816,54810]